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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 52 for “"VISSIM"”.
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Calibration and Comparison of the VISSIM and INTEGRATION Microscopic Traffic Simulation Models
… simulation software including: CORSIM, AIMSUN, VISSIM, PARAMICS and INTEGRATION and then compares the VISSIM and INTEGRATION software for the modeling of traffic signalized approaches. The thesis presents two papers. The first paper develops procedures for calibrating the steady-state component …
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A Comparative Analysis of Weaving Areas in HCM, TRANSIMS, CORSIM, VISSIM and INTEGRATION
… of the research is to evaluate TRANSIMS, CORSIM, VISSIM and INTEGRATION and compare them with Highway Capacity Manual, which adopts a traditional methodology for carrying out the operational analysis of a highway system. The statistics collected for the simulation runs include weaving speeds, …
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Developing freeway merging calibration techniques for analysis of ramp metering In Georgia through VISSIM simulation
Freeway merging VISSIM calibration techniques were developed for the analysis of ramp metering in Georgia. An analysis of VISSIM’s advanced merging and cooperative lane change settings was undertaken to determine their effects on merging behavior. Another analysis was performed to determine the …
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Modeling Microscopic Driver Behavior under Variable Speed Limits: A Driving Simulator and Integrated MATLAB-VISSIM Study
… the microscopic model is implemented within VISSIM (overriding the default car-following model) and utilized for a safety-mobility performance assessment of an incident-responsive VSL control algorithm implemented in a MATLAB COM interface. Examination of the multi-objective optimization …
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Implementation of a Digital Signal Processor (DSP) Based Space Vector Control of AC Induction Motor Drives
… Digital Motor Controller (DMC1500), and the VisSim™/TI C2000 Rapid Prototyper software package and a three-phase AC induction motor. The VisSim™/TI C2000 Rapid Prototyper was extensively used to model an AC induction motor control sub system that generates real time SVPWM waveforms to control …
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Methodology for Development of Delay-Based Passenger Car Equivalents of Heavy Vehicles in Work Zones
… between the car-following parameters of VISSIM and capacity were established. A generalized calibration procedure, using these relationships was developed for VISSIM when the desired capacity and queue length are known for a site. In addition field data was used to validate VISSIM results …
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Analytical Hierarchy Process Evaluation of the Proposed Slim Modular Flexible Electric Bus Rapid Transit System
… generated for AHP model. The traffic software Vissim is used to obtain evaluation results from Cobb Corridor for A.M., P.M., and off-peak conditions. Based on Vissim results and AHP, it is suggested that the implementation of SMFe-BRT is more beneficial than the traditional BRT. </p>
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A comparison of software engines for simulation of closed-loop control systems
… LabVIEW, Maple-MapleSim, Scilab-Scicos, VisSim and Mathematica-Control Professional Suite (CPS). Among all of them MATLAB-Simulink is dominant and widely used software engine. The main aim of this study is to implement different state space control methods for non-linear Furuta pendulum …
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Estimating the Effect of Connected and Autonomous vehicles (CAVs) on Capacity and Level of Service at Freeway Merge Segments
… Each scenario was first calibrated inside VISSIM to replicate the results from HCM6 and later CAVs were introduced in various proportions inside the traffic stream of conventional vehicles to access performance improvements using VISSIM. It was concluded that CAVs do improve system capacity …
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Surrogate Analysis and Calibration of Safety-Related Driver Behavior Modeling in Microscopic Traffic Simulation and Driving Simulator for Aggressive Driving
… The calibration method would leverage VISSIM, its highly customizable External driver model (EDM) API, JMP Pro's experiment design and sensitivity analysis, and SSAM's trajectory analysis. Then a set of driver model parameters are produced through sensitivity analysis, which is …
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Performance Evaluation of Transit Signal Priority in Multi-Directional Signal Priority Request Situations
Ring Barrier signal controller in VISSIM traffic simulation software provides different options for configuring Transit Signal Priority. This controller emulator allows for considering arterial progression by Priority Progression parameter; preferring specific transit signal priority calls to other …
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An Analysis of Traffic Behavior at Freeway Diverge Sections using Traffic Microsimulation Software
… three microsimulation models, INTEGRATION, VISSIM, and CORSIM, to investigate the lane changing behavior as vehicles approach a freeway diverge area. The count of lane changes, lane use distribution, and visual inspection of the simulated lane changing behavior was compared to video data …
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Issues and challenges of federating between different transportation simulators
… roadway network was modeled using PTV VISSIM©. These two simulators operated concurrently and continually provided feedback with one another. The challenges that arose from this combination were largely due to the time structure of the models. Arena© is a discrete event simulator and …
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Impact assessment through microscopic simulation: a sustainable approach to improving traffic congestion
… Historical data is incorporated into the PTV Vissim software, and peak-hour traffic congestion and patterns are investigated. This thesis focuses on the influence of travel time on urban mobility and transport planning. The results reveal the need for innovative solutions to enhance traffic …
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A Framework for Developing and Integrating Effective Routing Strategies Within the Emergency Decision Support System
… the modeling, calibration, and validation of the VISSIM traffic simulation model coded for downtown San Jose. The network is then used to test various evacuation scenarios to assess evacuation strategies that would be effective in case of a human-caused disaster.</p> <p>The network modeled in the …
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A Safety Analysis of Left-Turning Maneuvers for Long-Combination Vehicles
… where the existing network is modeled in Vissim while LCVs are added as potential road users. The Surrogate Safety Assessment Model is then used to analyze the microsimulation results pertaining to potential collisions. It was found that existing last-mile infrastructure is ill-equipped to …
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A mixed-integer linear programming (MILP) model for dynamic coordinated signal optimization along a traffic corridor
… modules: detector-based demand aggregation from VISSIM microsimulation, MILP optimization using Gurobi with operational constraints, and closed-loop signal control through COM interface. We validated the framework on a hypothetical three-intersection corridor and the Martin Luther King Boulevard …
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Modeling and simulation of vehicle emissions for the reduction of road traffic pollution
… of fuel consumption in the case study using the VISSIM traffic microsimulation software and Enviver emission modeler at the suprasystem level. In order to calculate the results under different mobility conditions, a total of 18 scenarios were defined based on changes in vehicle speeds and the …
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Quantifying the Impact of Truck Only Lanes on Vehicular Emissions on a Limited-Access Highway
… Towards that aim, the microsimulation software, VISSIM, was used in conjunction with the Environmental Protection Agency’s emissions model, MOVES. The microsimulation model was calibrated and validated against historical and present traffic volumes obtained from Caltrans with good results using …
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